Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 3 22.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(AQUA) AQUA Lat/Lon    Distance(km)  Time Diff(sec)
 03/24/2021   07:13:51   (  46.11,  86.21) 03/24/2021   07:14:34  (  46.21,  86.65)   35.47                43
 03/24/2021   08:29:04   ( -46.04,  85.77) 03/24/2021   08:27:51  ( -46.11,  85.50)   22.13                73
 03/26/2021   23:30:11   (  46.10,-157.85) 03/26/2021   23:31:02  (  46.15,-157.45)   31.31                51
 03/27/2021   00:45:24   ( -46.04,-158.30) 03/27/2021   00:44:20  ( -46.11,-158.62)   26.29                64
 03/29/2021   15:46:30   (  46.10, -41.92) 03/29/2021   15:47:30  (  46.15, -41.58)   26.98                60
 03/29/2021   17:01:43   ( -46.05, -42.36) 03/29/2021   17:00:48  ( -46.11, -42.75)   30.47                55
 04/01/2021   08:02:50   (  46.10,  74.02) 04/01/2021   08:03:59  (  46.17,  74.30)   22.94                69
 04/01/2021   09:18:03   ( -46.05,  73.57) 04/01/2021   09:17:16  ( -46.16,  73.15)   34.73                47
 04/04/2021   00:21:47   (  55.11,-174.24) 04/04/2021   00:23:00  (  55.18,-173.77)   31.43                73